From a2d9863c2773d69f41cc9aeba402e30fea474fdd Mon Sep 17 00:00:00 2001
From: phanium <91544758+phanen@users.noreply.github.com>
Date: Wed, 1 Apr 2026 21:07:26 +0800
Subject: [PATCH] fix(ui2): vim.on_key should return nil instead of false
 (#38668)

---
 runtime/lua/vim/_core/ui2/messages.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/runtime/lua/vim/_core/ui2/messages.lua b/runtime/lua/vim/_core/ui2/messages.lua
index 9fc01aaa42..fc80e25fc7 100644
--- a/runtime/lua/vim/_core/ui2/messages.lua
+++ b/runtime/lua/vim/_core/ui2/messages.lua
@@ -536,7 +536,7 @@ local cmd_on_key = function(key, typed)
   api.nvim__redraw({ flush = true })
 
   typed_g, M.cmd_on_key, M.cmd.ids = false, nil, {}
-  return entered and ''
+  return entered and '' or nil
 end
 
 --- Add virtual [+x] text to indicate scrolling is possible.